
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 39 -39 | 0 | B4.71 | C1.59 | 3 |
Region 12317 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 1 | 30 | CAO | N09W90 | |
Region 12318 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 1 | 40 -10 | CAI | N09E28 | |
Solar flares on this day | ||||
| C1.14 | ||||
Region 12319 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 0 -10 | AXX | S10W22 | |
Region 12320 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 24 10 | 150 10 | DAI | S12E16 | |
Solar flares on this day | ||||
| B8.97 C1.55 | ||||
All times in UTC
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| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 186 +94.2 |
| Last 30 days | 106.4 +13.7 |